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Anonymize text for AI tools

Anonymize texts online in the editor before entering them into ChatGPT, Claude & Co. All data remains completely local in the browser and is not transmitted to external servers. This ensures that sensitive information remains protected.

Usage instructions:

  • Insert text: Type directly into the box or paste content using Copy & Paste. Entire documents work too; emojis and special characters are preserved.
  • Anonymize: Click button, recognized data will be replaced. If no text is selected, the complete content is always checked.
  • Labels: Select text → "Anonymize" for manual labels. Multiple selections in sequence are possible; the tool automatically creates unique placeholders.
  • Label actions: Click = reset, green label = restore, red X removes it. You can also rename labels via the context menu.
  • Copy: Take output via the copy icon or copy directly with Ctrl/Cmd+C from the field – placeholders remain intact.
  • Undo & Redo: With the arrow buttons or Ctrl/Cmd+Z / Ctrl/Cmd+Y you undo or redo changes.
  • Prompt Insert: The blue button inserts prepared AI prompts above or below your text – ideal for recurring workflows.

Text Anonymizer

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